ATLAS 550 System Manual Section 4, User Interface Guide
61200305L1-1F © 2002 ADTRAN, Inc. 123
MODULES (DBU) > BRI TEST
Write security: 4; Read security: 5
The following options initiate tests and display test results.
MODULES (DBU) > BRI TEST > LOCAL LOOPBACK
Write security: 3; Read security: 5
Activates a local loopback of the Basic Rate ISDN (BRI) U interface toward the network. The following
options are available:
MODULES MENU (DUAL/QUAD T1/PRI OPTION MODULES)
This section provides detailed information on the MODULES menu and submenus for the Dual/Quad T1/PRI
Option Modules. The ATLAS 550 system controller automatically detects the presence of the Dual/Quad
T1/PRI Option Modules when they are installed in the system (Dual is listed as T1/PRI-2 and the Quad is
listed as T1/PRI-4). All menus detailed in this section that apply to both modules are listed as T1/PRI-2/4.
To see the menus for the Dual/Quad T1/PRI Option Modules via the terminal menu, use the arrow keys to
scroll to the MODULES menu and press <Enter> to access the module choices. Refer to the Dual/Quad
T1/PRI Option Modules Quick Start Guide for a menu tree containing a complete listing of menus.
MODULES (T1/PRI-2/4) > INFO
Read security: 5
Displays general information about the T1/PRI Network Interface Module as follows:
MODULES (T1/PRI-2/4) > INFO > PART NUMBER
Read security: 5
Displays the part number of the T1/PRI Network Interface Module.
MODULES (T1/PRI-2/4) > INFO > SERIAL NUMBER
Read security: 5
Displays the module’s serial number.
MODULES (T1/PRI-2/4) > INFO > ASSEMBLY REVISION
Read security: 5
Displays the assembly revision of the module.
NONE No active loopback
LOOPBACK B1 Loops the first B channel of the interface
LOOPBACK B2 Loops the second B channel of the interface
LOOPBACK B1 & B2 Loops both B channels of the interface
LOOPBACK ALL Loops the entire physical interface (2B + D)